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Finding the Fourth Proportional to 637,897.90, 956,514.61 and 300,848.05

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Solution

The fourth proportional to 637,897.90, 956,514.61 and 300,848.05 is: 451,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,897.90 : 956,514.61 = 300,848.05 : x
  2. Step 2: Convert to fraction form
    637,897.90/956,514.61 = 300,848.05/x
  3. Step 3: Cross multiply
    637,897.90x = 956,514.61 × 300,848.05
  4. Step 4: Simplify right side
    637,897.90x = 287,765,555,215.01
  5. Step 5: Solve for x
    x = 287,765,555,215.01/637,897.90
  6. Step 6: Final answer
    x = 451,115.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.